/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #8B6914;
  --color-primary-light: #B8942E;
  --color-primary-dark: #6B4F10;
  --color-secondary: #2D5A27;
  --color-bg: #FAF8F5;
  --color-bg-warm: #F5F0E8;
  --color-text: #2C2416;
  --color-text-light: #6B5F52;
  --color-text-lighter: #9B8F82;
  --color-white: #FFFFFF;
  --color-border: #E0D8CC;
  --color-accent: #D4A853;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1200px;
  --nav-height: 64px;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(44, 36, 22, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 36, 22, 0.1);
  --shadow-lg: 0 8px 30px rgba(44, 36, 22, 0.12);

  --transition: 0.2s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* ===== Typography ===== */
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: 1.25rem; }

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-light { background: var(--color-white); }
.section-warm { background: var(--color-bg-warm); }

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 1rem 0;
    font-size: 1.05rem;
    border-bottom: none !important;
  }

  .nav-links a:hover,
  .nav-links a.active {
    border-bottom-color: transparent !important;
  }

  .nav-toggle { display: flex; }
}

/* ===== Hero ===== */
.hero {
  margin-top: var(--nav-height);
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('../assets/hero-bg.webp') center/cover no-repeat;
  padding: 3rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(44, 36, 22, 0.5);
}

.hero-content {
  position: relative;
  max-width: 700px;
}

.hero h1 {
  margin-bottom: 1rem;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
}

.hero .btn-primary:hover {
  background: var(--color-bg-warm);
}

.hero .btn-outline {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

.hero .btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ===== Features / Why Choose Us ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: var(--color-bg-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.feature-card h3 { margin-bottom: 0.75rem; }
.feature-card p { color: var(--color-text-light); font-size: 0.95rem; }

/* ===== Category Grid ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
  .category-grid { grid-template-columns: 1fr; }
}

.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-bg-warm);
  aspect-ratio: 4/3;
  display: flex;
  align-items: flex-end;
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.category-card:hover img { transform: scale(1.05); }

.category-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,36,22,0.7) 0%, transparent 50%);
}

.category-card .info {
  position: relative;
  padding: 1.5rem;
  color: var(--color-white);
}

.category-card .info h3 { margin-bottom: 0.25rem; }
.category-card .info span { font-size: 0.9rem; opacity: 0.85; }

/* ===== Featured Products Scroll ===== */
.featured-scroll {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1rem;
  -webkit-overflow-scrolling: touch;
}

.featured-scroll::-webkit-scrollbar { height: 6px; }
.featured-scroll::-webkit-scrollbar-track { background: var(--color-border); border-radius: 3px; }
.featured-scroll::-webkit-scrollbar-thumb { background: var(--color-primary-light); border-radius: 3px; }

.featured-scroll .product-card {
  min-width: 260px;
  max-width: 260px;
  scroll-snap-align: start;
  flex-shrink: 0;
}

/* ===== Product Card ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--color-border);
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.product-card .card-img {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-bg-warm);
}

.product-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .card-img img { transform: scale(1.05); }

.product-card .card-body { padding: 1rem; }

.product-card .card-code {
  font-size: 0.8rem;
  color: var(--color-text-lighter);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.product-card .card-name {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card .card-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-card .card-meta .moq {
  background: var(--color-bg-warm);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}

/* ===== Product Detail Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(44, 36, 22, 0.7);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 10;
  transition: background var(--transition);
}

.modal-close:hover { background: var(--color-bg-warm); }

.modal-gallery {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-bg-warm);
  overflow: hidden;
}

.modal-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: background var(--transition);
}

.gallery-nav:hover { background: var(--color-bg-warm); }
.gallery-prev { left: 1rem; }
.gallery-next { right: 1rem; }

.gallery-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
}

.gallery-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transition: background var(--transition);
}

.gallery-dot.active { background: var(--color-white); }

.modal-body { padding: 2rem; }

.modal-body h2 { margin-bottom: 0.25rem; }
.modal-body .modal-category { color: var(--color-text-lighter); margin-bottom: 1.5rem; }

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.specs-table th,
.specs-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}

.specs-table th {
  font-weight: 600;
  color: var(--color-text-light);
  width: 140px;
}

/* ===== Product Toolbar (Filter / Search) ===== */
.product-toolbar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 200px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition);
}

.search-box:focus { border-color: var(--color-primary); }

.category-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.category-filter {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-white);
  transition: all var(--transition);
}

.category-filter:hover,
.category-filter.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ===== Load More ===== */
.load-more-wrap {
  text-align: center;
  margin-top: 2rem;
}

/* ===== About / Company Page ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .about-layout { grid-template-columns: 1fr; }
}

.about-image {
  aspect-ratio: 4/3;
  background: var(--color-bg-warm);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-lighter);
  font-size: 0.95rem;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text h2 { margin-bottom: 1rem; }
.about-text p { color: var(--color-text-light); margin-bottom: 1rem; line-height: 1.7; }

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 576px) {
  .advantages-grid { grid-template-columns: 1fr; }
}

.advantage-card {
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.advantage-icon {
  margin-bottom: 1rem;
}
.advantage-icon svg {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
}

.advantage-card h3 { margin-bottom: 0.5rem; }
.advantage-card p { color: var(--color-text-light); font-size: 0.92rem; }

/* ===== Contact Form ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

.contact-methods { display: flex; flex-direction: column; gap: 1rem; }

.contact-method {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg-warm);
  border-radius: var(--radius);
  transition: background var(--transition);
}

.contact-method:hover { background: var(--color-border); }

.contact-method .cm-icon {
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-method .cm-text strong { display: block; font-size: 0.9rem; }
.contact-method .cm-text span { color: var(--color-text-light); font-size: 0.85rem; }

/* Form */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { width: 100%; }

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
  background: var(--color-bg-warm);
  border-radius: var(--radius);
  color: var(--color-secondary);
  font-weight: 600;
}

/* ===== CTA Section ===== */
.cta {
  text-align: center;
  padding: 4rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  border-radius: var(--radius);
  margin: 0 1.5rem;
}

.cta h2 { margin-bottom: 0.75rem; }
.cta p { margin-bottom: 1.5rem; opacity: 0.9; }
.cta .btn-outline { border-color: var(--color-white); color: var(--color-white); }
.cta .btn-outline:hover { background: var(--color-white); color: var(--color-primary-dark); }

/* ===== Footer ===== */
.footer {
  background: var(--color-text);
  color: var(--color-text-lighter);
  padding: 2.5rem 0;
  margin-top: 5rem;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand { font-weight: 700; color: var(--color-white); }
.footer-contact { display: flex; gap: 1.5rem; }
.footer-contact a { transition: color var(--transition); }
.footer-contact a:hover { color: var(--color-white); }

@media (max-width: 576px) {
  .footer .container { flex-direction: column; text-align: center; }
  .footer-contact { flex-direction: column; gap: 0.5rem; }
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-lighter);
}

/* ===== Body no-scroll when modal open ===== */
body.no-scroll { overflow: hidden; }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.5s ease forwards;
}